He's been trying to make the world a better place for the last decade but, this weekend, he's back - in a new series, slightly removed from his Sussex hometown. Yes, Foyle's War begins on Sunday - starring Michael Kitchen and Honeysuckle Weeks.
The Second World War has ended, but another battle has begun. Divya Kohli talked to Honeysuckle Weeks and Anthony Horowitz.
More top news
Sunday evening's weather for the east
Sunday evening's weather for the west
Ruth Davidson said that international helpers who exploits the vulnerable for sex occupy "the lowest circle of Hell".